A larger eye relief means that the optimum position is further from the eyepiece, making it easier to view an image.

Binoculars may have eye relief ranging from few millimeters to 2.5 centimeters or more.

The longer the focal length of the eyepiece, the greater the eye relief.

Until recently, and still quite commonly, eyepieces of a short-focal length have had a short eye relief.

For people who have not found dry eye relief with drugs, punctal plugs may help.

For a shooter, eye relief is an important safety consideration.

Binoculars with short eye relief can also be hard to use in instances where it is difficult to hold them steady.

For a shooter, eye relief is also a safety consideration.

The eye relief given in product specifications does not always give a realistic view of what a user can expect.

Problems were the scope's extreme eye relief, poor functioning in bad light and low magnifying power.